212011118 has 12 divisors (see below), whose sum is σ = 349555920. Its totient is φ = 96368580.

The previous prime is 212011117. The next prime is 212011153. The reversal of 212011118 is 811110212.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 212011096 and 212011105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (212011117) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 437798 + ... + 438281.

It is an arithmetic number, because the mean of its divisors is an integer number (29129660).

Almost surely, 2^212011118 is an apocalyptic number.

212011118 is a deficient number, since it is larger than the sum of its proper divisors (137544802).

212011118 is a wasteful number, since it uses less digits than its factorization.

212011118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 876103 (or 876092 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 17.

The square root of 212011118 is about 14560.6015672430. The cubic root of 212011118 is about 596.2836191226.

The spelling of 212011118 in words is "two hundred twelve million, eleven thousand, one hundred eighteen".